Super Heat 4.2kW Blue Flame Gas Cabinet Heater (FQ4000) Stay warm, comfortable and energy efficient all year round with the Super Heat 4.2kW Blue Flame Gas Cabinet Heater. With blue flame burner technology, this portable heater gives clean, consistent heat that feels like central heating, without installation or mains gas. Stylish and compact, it fits into living rooms, conservatories, offices and workshops. With 3 heat settings, the heat can be fine-tuned to your needs, and it's easy to move around with smooth glide castor wheels. Safety first — the onboard Oxygen Depletion Sensor (ODS) and Flame Failure Device (FFD) ensure safe operation at all times. Designed to take large butane cylinders (up to 15kg), it runs longer and refills less often. Key Features & Benefits